/*
 * Copyright (c) 2010, University of Innsbruck, Austria.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 * You should have received a copy of the GNU Lesser General Public License along
 * with this library; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

package at.sti2.sepn.pattern.network.alpha;

import java.util.ArrayList;
import java.util.List;

import at.sti2.sepn.pattern.network.WorkingMemoryElement;

/**
 * Working Memory
 * 
 * @author srdkom
 */
public class WorkingMemory {

	private AlphaNode rootNode = null;
	private List <WorkingMemoryElement> wmeList = null;
	
	public WorkingMemory(){
		
		rootNode = new ConstantTestAlphaNode(ConstantTestAlphaNode.FildToTest.NOTEST, null);
		wmeList = new ArrayList <WorkingMemoryElement> ();
		
	}
	
	public void addWorkingMemoryElement(WorkingMemoryElement wme){
		wmeList.add(wme);
		rootNode.testActivation(wme);
	}

	public AlphaNode getRootNode() {
		return rootNode;
	}

	public void setRootNode(AlphaNode rootNode) {
		this.rootNode = rootNode;
	}
	
	public List <WorkingMemoryElement> getWorkingMemoryElements(){
		return wmeList;
	}
	
}
